CONVERT VOB → TS (VOB to TS)
Fast, secure VOB to TS conversion. No registration required.
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HOW TO CONVERT VOB → TS
Upload the VOB
Drop your VOB onto the uploader. Files up to 25 MB run on the free tier without registration; paid plans go up to 2 GB.
Stream-copy or re-encode
FFmpeg probes the codecs; if compatible, it stream-copies (no quality loss). Otherwise it transcodes at matching bitrate.
Download the TS
Fetch the converted TS as soon as it is ready. Both files auto-delete within two hours.
Here is the short version — VOB is the DVD-Video container that holds the MPEG-2 streams on a DVD disc. Hence the need for TS. Repackaging a VOB file into TS is one of the fastest video jobs there is. When the codecs already match the target container specification, the bytes are literally copied across — no re-encoding, no quality drop, no long wait. Upload above and watch the progress bar usually fly. Context: VOB is the DVD-Video container that holds the MPEG-2 streams on a DVD disc. TS is the MPEG transport stream, used in broadcast and HLS streaming segments.
Why convert VOB to TS
MPEG Transport Stream is better supported than DVD Video Object across web uploads, social networks and consumer devices. Converting trades the niche advantages of VOB for broad playback and fewer "file type not supported" messages. Stream copy (when codecs match) keeps the video bit-identical to the source.
VOB vs TS — Technical specifications
Side-by-side comparison of the technical details.
VOB
- MIME type
- video/dvd
- Extension
- .vob
- Container
- MPEG-2 Program Stream with DVD extensions
- Video codec
- MPEG-2
- Audio codecs
- AC-3, DTS, MPEG audio, LPCM
- MIME Type
- video/dvd
- Category
- Video Files
- Full Name
- DVD Video Object
- Conversion Engine
- FFMPEG
TS
- MIME type
- video/mp2t
- Extension
- .ts
- MIME Type
- video/mp2t
- Category
- Video Files
- Full Name
- MPEG Transport Stream
- Conversion Engine
- FFMPEG
- Extensions
- .ts, .m2ts, .mts
- Standard
- ISO/IEC 13818-1 (MPEG-2 Systems)
- Packet size
- 188 bytes (standard); 192 bytes (M2TS/Blu-ray)
- Primary use
- Broadcast TV + HLS streaming
| Specification | VOB | TS |
|---|---|---|
| MIME type | video/dvd | video/mp2t |
| Extension | .vob | .ts |
| Container | MPEG-2 Program Stream with DVD extensions | — |
| Video codec | MPEG-2 | — |
| Audio codecs | AC-3, DTS, MPEG audio, LPCM | — |
| MIME Type | video/dvd | video/mp2t |
| Category | Video Files | Video Files |
| Full Name | DVD Video Object | MPEG Transport Stream |
| Conversion Engine | FFMPEG | FFMPEG |
| Extensions | — | .ts, .m2ts, .mts |
| Standard | — | ISO/IEC 13818-1 (MPEG-2 Systems) |
| Packet size | — | 188 bytes (standard); 192 bytes (M2TS/Blu-ray) |
| Primary use | — | Broadcast TV + HLS streaming |
VOB vs TS — Strengths and limitations
What each format does best, and where it falls short.
VOB Strengths
- Universal DVD support on every player ever made.
- Carries multiple audio tracks, subtitles, and menus in one container.
- Mature tooling ecosystem for extraction and editing.
Limitations
- Hard 1 GB file-size cap forces multi-file splits.
- MPEG-2 compression is 2-3× larger than modern codecs.
- Tied to CSS copy protection — decryption was once illegal.
TS Strengths
- Designed for noisy channels — packet-level error correction.
- Multi-program: one TS can carry several TV channels.
- Native format for all digital TV broadcasts and HLS streaming.
- Streaming-first: no need to download whole file to start playing.
- 30+ years of stable, deployed infrastructure.
Limitations
- Packet overhead (~3% vs Program Stream).
- Seek index is implicit — requires scanning for random access.
- Multiple audio/subtitle selection requires parsing PMT (Program Map Tables).
Quality & Compatibility
Stream-copy is bit-perfect: when the codecs inside VOB match what TS can carry, the frames are copied across without re-encoding and the output is visually identical to the source. When transcoding is required, we target CRF 20–23 H.264 — visually transparent for most content — and keep audio bitrate at 192 kbps AAC.
Tips for Best Results
- Stream-copy beats re-encoding by orders of magnitude — check if your VOB already uses TS-compatible codecs before picking Advanced settings.
- For social uploads, 1080p at 30 fps strikes the best quality-to-size ratio; 4K is often downscaled server-side anyway.
- Keep the VOB if you plan further editing — transcoded TS is fine for final delivery but not for intermediate edits.
Frequently Asked Questions
Only when it has to. If the codecs inside VOB (usually H.264 or H.265 for video, AAC for audio) are accepted by TS, we stream-copy — the bytes are repackaged into the new container with zero re-encoding and no quality loss. When the source uses a codec the target does not support, we transcode at a matching bitrate to keep the visual quality close to the original.
With stream copy, expect the job to finish in seconds to tens of seconds regardless of video length — the work is mostly rewriting the container. Transcoding is slower (roughly real-time: a ten-minute clip takes about ten minutes) because every frame must be decoded and re-encoded. The progress bar shows which mode applies.
Yes. Resolution, frame rate, colour space and bit depth are preserved by default; stream copy is literally bit-identical on these parameters. If you explicitly pick a lower bitrate or a different codec in Advanced, the output is rebuilt to those settings, but the default is always "match the source".
DVD Video Object
Source formatVOB (Video Object) is the container format for DVD video content.
MPEG Transport Stream
Target formatTS (Transport Stream) is used for broadcasting, streaming, and recording live TV.
Common Use Cases
Share across platforms
Send TS files to anyone without worrying about whether they have the right software for VOB.
Embed in documents
Drop TS output into Word, Google Docs, PowerPoint, Notion or a website without conversion warnings.
Optimize size
TS often produces smaller files than VOB for web, email and storage.
Archive & future-proof
Store in a widely-supported format that will still open on future operating systems without legacy plugins.
VOB vs TS — Typical file sizes
Approximate file sizes for common scenarios.
- Single VOB segment ~1 GB (capped)
- 2-hour DVD movie (full VIDEO_TS) 4-7 GB
- HLS video segment (6 seconds, 1080p) 2-5 MB
- 1 hour recorded TV (HD) 4-8 GB
- Satellite transponder capture (1 min) ~300 MB
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Related comparisons
See these formats side by side to understand which fits your use case best.
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